“retrospective study”的概念、定义、翻译、参考文献-科学参考

单词	retrospective study
释义	retrospective study Encyclopedia 理学临床试验的自适应性设计释 retrospective study观察性研究在自然状态下对研究对象的特征进行观察、记录，并对结果进行描述和对比分析的研究。 Mathematics retrospective study回溯研究
随便看	police internal supervision police law police law enforcement police law enforcement concept police law enforcement supervision police legal supervision police legislation police liaison officers Police Literature and Arts Association of China policeman policeman-on-point-duty curve police marketing strategies police mental health police number police operational plan police parades police professional work police protection police protective equipment police psychological adjustment police psychological control police psychological crisis intervention police psychological evaluation software police psychological stress police psychological training

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。